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NETA 3 Questions with Detailed Verified
Answers
An old motor has been replaced with a new high effiency motor but now
getting trips at random times why Ans: high transient current
fiber optic fiber jacket Ans: 62.5/125
bond neutral ground Ans: before neutral disconnect
3 most common states of NWP Ans: auto, open, closed
a CT supplies multiple devices. to confirm which devices are connected to
it, the output of a single phase 5A source is connected to the X1 terminal
of the CT w/o removing the existing wiring, the expected current at each
currently connected device would be: Ans: near 5A
what would cause a low specific gravity Ans: discharging
what type of oil is biodegradable Ans: FR3
47 Ans: Phase Sequence or Phase Balance Voltage Relay
inverse time delay of a overcurrent relay Ans: trips faster on higher
current
total capacitence 100kvar, 4160v at 60hz Ans: 8.8ufarads, 8.8
nanofarads, 15.8 ufarads, 15.8nfarads
what does a bell alarm do Ans: indicates CB has tripped due to
overcurrent
NETA 3 Questions with Detailed Verified
Answers
An old motor has been replaced with a new high effiency motor but now
getting trips at random times why Ans: high transient current
fiber optic fiber jacket Ans: 62.5/125
bond neutral ground Ans: before neutral disconnect
3 most common states of NWP Ans: auto, open, closed
a CT supplies multiple devices. to confirm which devices are connected to
it, the output of a single phase 5A source is connected to the X1 terminal
of the CT w/o removing the existing wiring, the expected current at each
currently connected device would be: Ans: near 5A
what would cause a low specific gravity Ans: discharging
what type of oil is biodegradable Ans: FR3
47 Ans: Phase Sequence or Phase Balance Voltage Relay
inverse time delay of a overcurrent relay Ans: trips faster on higher
current
total capacitence 100kvar, 4160v at 60hz Ans: 8.8ufarads, 8.8
nanofarads, 15.8 ufarads, 15.8nfarads
what does a bell alarm do Ans: indicates CB has tripped due to
overcurrent
